ISASecure and IEC 62443, explained with the numbers
What each certification program actually evaluates, how the security levels and device types change the scope, and where the common points of confusion come from — written by the assessors who run these evaluations.
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Cloud links, wireless radios and the per-interface rule in ISASecure ICSA
In ISASecure ICSA, cloud and wireless links are ordinary accessible interfaces. How the per-interface rule and the untrusted-network declaration set the effort.
IIoT device or IIoT gateway: how the two ISASecure ICSA types decide your scope
Which of ISASecure ICSA's two IIoT types your product is, how the IEC 62443-4-2 families split between device and gateway, and why one product can carry both.
The 24 IIoT-specific requirements ISASecure ICSA adds to IEC 62443-4-2
ISASecure ICSA adds 24 IIoT-specific requirements to the IEC 62443-4-2 base: 18 at both tiers, 6 at Advanced only. What they cover and how to prepare.
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